- Continent- A large mass of land surrounded by water.
- Latitude- the angular distance north or south from the equator of a point on the earth's surface, measured on the meridian of the point.
- Longitude- angular distance east or west on the earth's surface, measured by the angle contained between the meridian of a particular place
- Equator- the great circle on a sphere or heavenly body whose plane is perpendicular to the axis, equidistant everywhere from the two poles of the sphere or heavenly body.